US20060171668A1 - Image recorder/player and auto titling method - Google Patents

Image recorder/player and auto titling method Download PDF

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Publication number
US20060171668A1
US20060171668A1 US11/253,554 US25355405A US2006171668A1 US 20060171668 A1 US20060171668 A1 US 20060171668A1 US 25355405 A US25355405 A US 25355405A US 2006171668 A1 US2006171668 A1 US 2006171668A1
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United States
Prior art keywords
program
title
program name
recording
auto
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/253,554
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English (en)
Inventor
Jin Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, JIN WHI
Publication of US20060171668A1 publication Critical patent/US20060171668A1/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Definitions

  • the present invention relates to a video recorder/player and an auto titling method. More particularly, the present invention relates to a video recorder/player and an auto titling method wherein, when a plurality of programs are recorded via a single record operation, the programs are automatically divided by individual titles so that the user may, for example, easily confirm which programs have been recorded on the DVD disc.
  • a DVD recorder which is a type of video recorder/player, generally comprises A/V encoder and decoder modules for encoding and decoding video and audio signals into and from MPEG-2 format, a loader engine including a Hard Disk Drive (HDD), which is a large-volume storage medium, and a DVD drive, and a microprocessor for controlling each element of the DVD recorder.
  • A/V encoder and decoder modules for encoding and decoding video and audio signals into and from MPEG-2 format
  • a loader engine including a Hard Disk Drive (HDD), which is a large-volume storage medium, and a DVD drive
  • HDD Hard Disk Drive
  • the DVD recorder stores video and audio signals received through inputs on the HDD or a DVD disc in a recording mode. After the video and audio signals are stored, the DVD recorder displays a title guidance screen for providing title information stored in the DVD disc on a display of a TV connected to the DVD recorder at the request of the user.
  • the conventional DVD recorder when recording a plurality of programs via a single record operation, the conventional DVD recorder records the programs under one title, stores a program name of only the first recorded program as the title, and then displays the recorded program name on the title guidance screen, thereby making it difficult for the user to determine which programs are included under the recorded title.
  • the conventional DVD recorder when recording a plurality of programs (i.e., Inside Economics 1, SBS Night Line 2, Sports Wide 3, and Cine Club 4) via a single record operation as shown in FIG. 1 , the conventional DVD recorder records the programs under one title, stores the corresponding title, which according to this example is Inside Economics 1, and then displays the stored title (Inside Economics 1) on the title guidance screen. This makes it difficult for the user to determine whether or not other programs (SBS Night Line 2, Sports Wide 3, and Cine Club 4) have been recorded.
  • an auto titling method for a video recorder/player comprising: if a recording of a broadcast signal has started, extracting a program name carried in the broadcast signal, and storing the extracted program name as a title in a storage medium; continually extracting program name(s) carried in the broadcast signal while the recording is in progress, and comparing the extracted program name with the previously stored program name to determine whether or not a new program is received; and, if a new program is received, recording the new program under a new title, which is different from the stored title corresponding to the stored program name, in the storage medium, and recording the extracted new program name corresponding to the new program, as the new title name in the storage medium.
  • FIG 1 is a diagram illustrating a plurality of TV programs that are recorded via a single record operation
  • FIG 2 is a block diagram of a DVD recorder according to an exemplary embodiment of the present invention.
  • FIG 3 is a flow chart of an exemplary implementation of an auto titling method for the DVD recorder shown, for example, in FIG. 2 according to an exemplary implementation of the present invention.
  • FIG 4 is a diagram illustrating an example of a title guidance screen, according to an embodiment of the present invention, that may be displayed on, for example, a TV screen connected to, for example, a DVD recorder shown in, for example, FIG. 2 to allow the user to confirm which titles have been recorded on a DVD disc when a plurality of programs have been recorded on the DVD disc.
  • a DVD recorder according to an exemplary embodiment of the present invention comprises a plurality of inputs 19 , 21 and 22 , a plurality of outputs 25 and 26 , a plurality of AID converters 17 , a plurality of D/A converters 18 , a DV decoder 14 , an NTSC/PAL decoder 15 , and an NTSC/PAL encoder 16 .
  • the DVD recorder also comprises a switching circuit 27 , an MPEG encoder 12 , an MPEG decoder 13 , a controller 30 , an On Screen Display (OSD) synthesizer 29 , a buffer 11 , a DVD drive 10 , and an HDD 20 .
  • the DVD recorder further comprises a display unit 23 , a remote control receiver 24 , a RAM 33 , and a ROM 34 .
  • the inputs of the DVD recorder include a digital interface terminal (Dvin) 19 , a video input (Vin) 21 , and an audio input (Ain) 22 .
  • AV data in digital video (DV) format is input to the digital interface terminal 19 .
  • Video signals in NTSC or PAL format received from a tuner 36 or a set-top box are input to the video input 21
  • audio signals received from the tuner 36 or the set-top box are input to the audio input 22 .
  • the outputs of the DVD recorder include a video output (Vout) 25 and an audio output (Aout) 26 .
  • the video output 26 outputs video signals in NTSC or PAL format to the TV 35 connected to the video output 26
  • the audio output 25 outputs audio signals to the TV 35 connected to the audio output 25 .
  • the DV decoder 14 converts AV data in digital video format received through the digital interface terminal 19 into video and audio signals in International Telecommunication Union (ITU)-R BT format.
  • the NTSC/PAL decoder 15 converts a video signal in NTSC or PAL format received through the video input 21 into a video signal in ITU-R BT format.
  • the NTSC/PAL encoder 16 converts a video signal in ITU-R BT format output from the MPEG decoder 13 into a video signal in NTSC or PAL format.
  • the switching circuit 27 allows a video signal output from the NTSC/PAL decoder 15 to be transferred to the MPEG encoder 12 and the OSD synthesizer 29 , and allows an audio signal received through the audio input (Ain) 22 to be transferred to the MPEG encoder 12 and the audio output (Aout) 25 .
  • the switching circuit 27 allows a video signal output from the DV decoder 14 to be transferred to the MPEG encoder 12 and the OSD synthesizer 29 , and allows an audio signal output from the DV decoder 14 to be transferred to the MPEG encoder 12 and the audio output (Aout) 25 .
  • the switching circuit 27 allows a video signal output from the MPEG decoder 13 to be transferred to the OSD synthesizer 29 , and allows an audio signal output from the MPEG decoder 13 to be transferred to the audio output (Auot) 25 .
  • the MPEG encoder 12 compresses and encodes, using the MPEG-2 standard, a video signal in ITU-R BT format and a digitized audio signal to generate an AV data stream. Conversely, the MPEG decoder 13 converts an AV data stream into a video signal in ITU-R BT format.
  • the controller 30 includes an EDS data extractor 31 for extracting Extended Data Service (EDS) data from a TV signal, and a code converter 32 for converting a program name contained in EDS data into an ASCII code or restoring the program name from the ASCII code.
  • EDS Extended Data Service
  • EDS data includes channel-related service data, program-related service data, and other service data.
  • the channel-related service data includes a broadcast station name, a local broadcast station name, a local channel number, and the like.
  • the program-related service data includes a program name, a program type, a program rating, voice-related information, a total program time, a remaining program amount, and the like.
  • the other service data includes the current time, weather information, and the like.
  • EDS data is carried in 10th to 21st scan lines in the vertical blanking interval of a TV signal (in the case of NTSC). More specifically, EDS data is carried in the scan lines other than the 21st scan line in which caption broadcasts are carried.
  • the EDS data extractor 31 checks 10th to 21st scan lines of a TV signal received from the buffer 11 to extract EDS data therefrom.
  • the code converter 32 converts a program name, which is text included in the EDS data extracted by the EDS data extractor 31 , into an ASCII code, or restores a program name from an ASCII code stored in a DVD disc or the HDD 20 .
  • the controller 30 controls each element of the DVD recorder.
  • the controller 30 produces an OSD image for display on the TV 35 connected to the DVD recorder, and provides the produced OSD image to the OSD synthesizer 29 .
  • the OSD synthesizer 29 then allows the OSD image received from the controller 30 to be displayed on the TV 35 .
  • the buffer 11 temporarily stores an AV data stream.
  • the DVD drive 10 writes or reads AV data to or from a DVD disc loaded in the DVD drive 10 .
  • the HDD 20 stores various data, independently of the DVD drive 10 .
  • the remote control receiver 24 receives a signal transmitted from a remote controller 28 and transfers it to the controller 30 .
  • the remote controller 28 includes a menu button 37 a used to display or close a menu screen on the TV 35 connected to the DVD recorder, a return button 37 b used to return the current screen to a previous screen, an enter button 37 c used to select an item, and up, down, left, and right navigation buttons 38 a , 38 b , 38 c, and 38 d used to move between items displayed on the screen.
  • a program name record operation of the DVD recorder shown in FIG. 2 will now be described with reference to FIGS. 3 and 4 .
  • the user presses the menu button 37 a on the remote controller 28 to display a number of menu items (for example, record, playback and setup items), and selects a recording item of the displayed menu items to set programmed recording or immediately start recording.
  • a number of menu items for example, record, playback and setup items
  • the controller 30 determines whether or not recording is started ( 40 ), and controls the tuner 36 to receive a TV signal of a channel set by the user if the recording is started.
  • a video signal received through the tuner 36 is stored in the DVD drive 10 and the HDD 20 via the NTSC/PAC decoder 15 , the MPEG encoder 12 , and the buffer 11 .
  • the received TV signal is also transmitted to the controller 30 , and the EDS data extractor 31 in the controller 30 extracts EDS data, which contains a program name, from the TV signal ( 42 ).
  • the code converter 32 converts the program name into an ASCII code ( 52 ).
  • the controller 30 transmits the ASCII code, produced through the conversion of the program name, back to the buffer 11 , so that the program name is stored, as a title, in a DVD disc or the HDD 20 ( 54 ).
  • the DVD drive 10 stores the program name as a title in a DVD disc
  • the DVD drive 10 stores the title in Video Manager Information (VMGI) of the DVD disc, more specifically in a Text Data Manager (TXTDT_MG) area thereof.
  • VMGI is navigation data located at the start or end of Video Manager (VMG) that is data to control at least one Video Title Set (VTS) and Video Manger Menu (VMGM).
  • the controller 30 again determines whether or not recording is started. If recording is not started, the controller 30 determines whether recording is in progress ( 44 ). If recording is not in progress, the controller 30 terminates the procedure. If recording is in progress, the EDS data extractor 31 in the controller 30 extracts EDS data, which contains a program name, from the TV signal as at step 42 ( 46 ). Then, the controller 30 compares the program name extracted at step 46 with the previously extracted program name (i.e., the first extracted program name) to determine whether or not the program name has changed ( 48 ).
  • the controller 30 If the first extracted program name is identical to the program name extracted at step 46 , the controller 30 returns to step 44 to store the currently recorded program under the same title as that of the program recorded when the recording started. If the two program names are not identical, the controller 30 records the currently recorded program as a new title, different from that of the program recorded when the recording started ( 50 ).
  • the controller 30 allows for a new title to be generated in a Video Title Set (VTS)when the TV signal is recorded on the DVD disc.
  • VTS Video Title Set
  • the controller 30 allows the code converter 32 to convert the newly extracted program name into an ASCII code to record it on the DVD disc (or the HDD) 20 ( 52 ), and transfers the ASCII code corresponding to the new program name to the buffer 11 so that it is recorded in the VMGI of the DVD disc ( 54 ).
  • the program names recorded on the DVD disc can be displayed on a title guidance screen so that the user can easily confirm which programs have been recorded on the DVD disc.
  • the controller 30 reads all title names (i.e., all program names) recorded in VMGI of the DVD disc and displays all of the title names on the TV 35 connected to the DVD recorder (see FIG. 4 ).
  • a Picture In Picture (PIP) window 60 which displays the first scene of each title, is provided in an upper left portion of the title guidance screen that displays information of titles stored on the DVD disc.
  • a title guidance area 61 which displays a title number, a title name, and a title length of each title, is provided on the right of the PIP window 60 .
  • a guidance mark area 63 is provided on the screen at a lower portion thereof.
  • the guidance mark area 63 includes a Move mark 64 indicating whether or not the cursor moves between items displayed on the screen, an Enter mark 65 indicating whether or not an item, at which the cursor is located, is selected, a Return mark 66 indicating whether or not the current screen is changed to the previous screen, and an Exit mark 67 whether or not the current screen is terminated.
  • all program names of a plurality of programs, which were stored when the plurality of programs were recorded via a single record operation are displayed as titles, together with respective title lengths (i.e., program lengths), on the title guidance area of FIG. 4 .
  • title lengths i.e., program lengths
  • FIG. 1 when a plurality of programs (i.e., Inside Economics 1, SBS Night Line 2, Sports Wide 3, and Cine Club 4) are recorded via a single record operation as shown in FIG. 1 , only the title name of Inside Economics 1 and the total title length (2 hours and 15 minutes) are displayed in the conventional DVD recorder.
  • respective program names of Inside Economics 1, SBS Night Line 2, Sports Wide 3, and Cine Club 4 are displayed together with respective program lengths.
  • the programs are handled under individual titles and program names of the programs are recorded as titles, and the recorded titles are then displayed on the title guidance area 61 .
  • exemplary implementations of the prevent invention provide a video recorder/player and an auto titling method wherein, when a plurality of programs are recorded via a single record operation, the programs are recorded under individual titles and a title guidance screen providing respective information of the recorded programs is displayed at the request of the user so that the user can easily confirm which programs have been recorded.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
US11/253,554 2005-01-31 2005-10-20 Image recorder/player and auto titling method Abandoned US20060171668A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2005-8768 2005-01-31
KR1020050008768A KR20060087895A (ko) 2005-01-31 2005-01-31 영상기록/재생장치 및 자동 타이틀링방법

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US20060171668A1 true US20060171668A1 (en) 2006-08-03

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US11/253,554 Abandoned US20060171668A1 (en) 2005-01-31 2005-10-20 Image recorder/player and auto titling method

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KR (1) KR20060087895A (ko)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030147630A1 (en) * 2002-02-01 2003-08-07 Masanori Kawai Device and method for recording program broadcast signal as digital information
US20030198461A1 (en) * 2002-04-17 2003-10-23 Taylor Thomas H. Method and apparatus for analyzing program data
US20070100935A1 (en) * 1999-11-14 2007-05-03 Sony Corporation Portable record and/or reproducing device, reproducing method, and recording/reproducing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070100935A1 (en) * 1999-11-14 2007-05-03 Sony Corporation Portable record and/or reproducing device, reproducing method, and recording/reproducing method
US20030147630A1 (en) * 2002-02-01 2003-08-07 Masanori Kawai Device and method for recording program broadcast signal as digital information
US20030198461A1 (en) * 2002-04-17 2003-10-23 Taylor Thomas H. Method and apparatus for analyzing program data

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AS Assignment

Owner name: SAMSUNG ELECTRONICS CO., LTD., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KIM, JIN WHI;REEL/FRAME:017120/0865

Effective date: 20051010

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION